HAL_CAP_TSF_ADJUST
(ath_hal_getcapability(_ah, HAL_CAP_TSF_ADJUST, 0, NULL) == HAL_OK)
(ath_hal_getcapability(_ah, HAL_CAP_TSF_ADJUST, 1, NULL) == HAL_OK)
ath_hal_setcapability(_ah, HAL_CAP_TSF_ADJUST, 1, _onoff, NULL)
case HAL_CAP_TSF_ADJUST: /* hardware has beacon tsf adjust */
case HAL_CAP_TSF_ADJUST: /* hardware has beacon tsf adjust */
case HAL_CAP_TSF_ADJUST: /* hardware has beacon tsf adjust */